Merge pull request #39 from vishna/master

Discover milestone changes
Merge pull request #40 from vishna/master

addOnScrollListener to PollListView
Merge pull request #41 from vishna/master

getDataAdapter
PollListViewImpl now extends plain ListView
No moar old pull to refresh
More changes
Merge branch 'master' of github.com:eyeem/PotatoLibrary
Added handling of SerialVersionUID to invalidate storage
Merge pull request #42 from ronaldoeyeem/master

Added handling of SerialVersionUID to invalidate storage
Don't rely on pull to refresh library anymore